{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "b6b45e2f",
   "metadata": {},
   "source": [
    "------------\n",
    "* 2022/9/26/week 06\n",
    "* Python学习记录\n",
    "* 记录人：wu-huichun\n",
    "-----------"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2beba6a4",
   "metadata": {},
   "source": [
    "# 本周知识点\n",
    "\n",
    "> 1.随机函数\n",
    "\n",
    "> 2.时间函数"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6ad91fa6",
   "metadata": {},
   "source": [
    "## 1.随机函数\n",
    "\n",
    "> 1.random.random():生成随机数,0-1之间随机数——小数\n",
    "\n",
    "> 2.random.randint():生成随机数——整数\n",
    "\n",
    "> 3.random.choices():随机抽样"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "64284631",
   "metadata": {},
   "outputs": [],
   "source": [
    "import random"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "9f3a4439",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Help on built-in function random:\n",
      "\n",
      "random() method of random.Random instance\n",
      "    random() -> x in the interval [0, 1).\n",
      "\n"
     ]
    }
   ],
   "source": [
    "help(random.random) #0-1 float 小数"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "2471ce58",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.31228309560286704"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "random.random()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "fa987dfc",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Help on method randint in module random:\n",
      "\n",
      "randint(a, b) method of random.Random instance\n",
      "    Return random integer in range [a, b], including both end points.\n",
      "\n"
     ]
    }
   ],
   "source": [
    "help(random.randint) #整数"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "020f92a9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "random.randint(0,6)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "8711ed52",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "3\n",
      "3\n",
      "0\n",
      "1\n",
      "1\n"
     ]
    }
   ],
   "source": [
    "# randint小实践：大话骰\n",
    "for i in range(5):\n",
    "    print(random.randint(0,6))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "4d48c00d",
   "metadata": {},
   "outputs": [],
   "source": [
    "# randint小实践:猜数字，0-100"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "8d8c4770",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Xuwei'"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# random.choice(),在数据组（列表）随机选择一个值\n",
    "random.choice([\"Huichun\",\"Xuwei\",\"Huiling\"])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "9a881708",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "13\n",
      "82\n",
      "94\n",
      "35\n",
      "45\n",
      "6\n"
     ]
    }
   ],
   "source": [
    "# 通过随机值，大概去判断一下彩票的中间概率\n",
    "# [12,34,65,10,22,12]\n",
    "for i in range(6):\n",
    "    print(random.randint(0,99))"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0da91a1f",
   "metadata": {},
   "source": [
    "## 2.时间函数 time()\n",
    "\n",
    "* 时间延迟函数"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "2e68b82c",
   "metadata": {},
   "outputs": [],
   "source": [
    "import time"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "3d576b91",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "time.struct_time(tm_year=2022, tm_mon=9, tm_mday=26, tm_hour=10, tm_min=27, tm_sec=26, tm_wday=0, tm_yday=269, tm_isdst=0)"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "time.localtime()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "e5d4eca7",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Help on built-in function sleep in module time:\n",
      "\n",
      "sleep(...)\n",
      "    sleep(seconds)\n",
      "    \n",
      "    Delay execution for a given number of seconds.  The argument may be\n",
      "    a floating point number for subsecond precision.\n",
      "\n"
     ]
    }
   ],
   "source": [
    "help(time.sleep)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "8796e320",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "hello world\n"
     ]
    }
   ],
   "source": [
    "time.sleep(2)\n",
    "print(\"hello world\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "id": "c4342cd5",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "数据获取……\n",
      "页面停留 3 秒\n",
      "继续下一页..\n",
      "数据获取……\n",
      "页面停留 15 秒\n",
      "继续下一页..\n",
      "数据获取……\n",
      "页面停留 5 秒\n",
      "继续下一页..\n",
      "数据获取……\n",
      "页面停留 17 秒\n",
      "继续下一页..\n",
      "数据获取……\n",
      "页面停留 18 秒\n",
      "继续下一页..\n"
     ]
    }
   ],
   "source": [
    "# 实践：浏览抓取网页数据，模拟人的行为，让机器慢下来，每执行一次休息3秒钟。\n",
    "# 进阶：随机产生一个数（3，5），让程序停留随机的秒数\n",
    "for i in range(5):\n",
    "    print(\"数据获取……\")\n",
    "    wait_time = random.randint(3,20)\n",
    "    print(\"页面停留\",wait_time,\"秒\")\n",
    "    time.sleep(wait_time)\n",
    "    print(\"继续下一页..\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "8b81dee0",
   "metadata": {},
   "outputs": [],
   "source": [
    "# 练习课本P33，涉及知识点：模块，变量，条件判断，time模块，for循环"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "id": "2eb03503",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "当前是偶数秒 56\n",
      "等待时间（随机)： 2\n",
      "------\n",
      "当前是偶数秒 58\n",
      "等待时间（随机)： 5\n",
      "------\n",
      "当前是奇数秒 3\n",
      "等待时间（随机)： 1\n",
      "------\n",
      "当前是偶数秒 4\n",
      "等待时间（随机)： 4\n",
      "------\n",
      "当前是偶数秒 8\n",
      "等待时间（随机)： 4\n",
      "------\n"
     ]
    }
   ],
   "source": [
    "# from datetime import detatime\n",
    "import datetime\n",
    "import time,random\n",
    "\n",
    "odds = [1, 3, 5, 7, 9, 11,13,15,17,19,\n",
    "           21,23,25,27,29,31,33,35,37,39,\n",
    "           41,43,45,47,49,51,55,51,59]\n",
    "\n",
    "for i in range(5):\n",
    "    \n",
    "    right_this_seconds = datetime.datetime.today().second\n",
    "    if right_this_seconds in odds:\n",
    "        print(\"当前是奇数秒\",right_this_seconds)\n",
    "    else:\n",
    "        print(\"当前是偶数秒\",right_this_seconds)\n",
    "    wait_time = random.randint(1,5)\n",
    "    print(\"等待时间（随机)：\",wait_time)\n",
    "    time.sleep(wait_time)\n",
    "    print(\"------\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5712ce9e",
   "metadata": {},
   "outputs": [],
   "source": [
    "# 练习课本P44，涉及知识点：变量，条件判断，for循环"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "id": "df02a22b",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "99 bottles 在啤酒墙上\n",
      "99 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "98 bottles 在啤酒墙上\n",
      "------\n",
      "98 bottles 在啤酒墙上\n",
      "98 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "97 bottles 在啤酒墙上\n",
      "------\n",
      "97 bottles 在啤酒墙上\n",
      "97 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "96 bottles 在啤酒墙上\n",
      "------\n",
      "96 bottles 在啤酒墙上\n",
      "96 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "95 bottles 在啤酒墙上\n",
      "------\n",
      "95 bottles 在啤酒墙上\n",
      "95 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "94 bottles 在啤酒墙上\n",
      "------\n",
      "94 bottles 在啤酒墙上\n",
      "94 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "93 bottles 在啤酒墙上\n",
      "------\n",
      "93 bottles 在啤酒墙上\n",
      "93 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "92 bottles 在啤酒墙上\n",
      "------\n",
      "92 bottles 在啤酒墙上\n",
      "92 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "91 bottles 在啤酒墙上\n",
      "------\n",
      "91 bottles 在啤酒墙上\n",
      "91 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "90 bottles 在啤酒墙上\n",
      "------\n",
      "90 bottles 在啤酒墙上\n",
      "90 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "89 bottles 在啤酒墙上\n",
      "------\n",
      "89 bottles 在啤酒墙上\n",
      "89 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "88 bottles 在啤酒墙上\n",
      "------\n",
      "88 bottles 在啤酒墙上\n",
      "88 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "87 bottles 在啤酒墙上\n",
      "------\n",
      "87 bottles 在啤酒墙上\n",
      "87 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "86 bottles 在啤酒墙上\n",
      "------\n",
      "86 bottles 在啤酒墙上\n",
      "86 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "85 bottles 在啤酒墙上\n",
      "------\n",
      "85 bottles 在啤酒墙上\n",
      "85 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "84 bottles 在啤酒墙上\n",
      "------\n",
      "84 bottles 在啤酒墙上\n",
      "84 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "83 bottles 在啤酒墙上\n",
      "------\n",
      "83 bottles 在啤酒墙上\n",
      "83 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "82 bottles 在啤酒墙上\n",
      "------\n",
      "82 bottles 在啤酒墙上\n",
      "82 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "81 bottles 在啤酒墙上\n",
      "------\n",
      "81 bottles 在啤酒墙上\n",
      "81 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "80 bottles 在啤酒墙上\n",
      "------\n",
      "80 bottles 在啤酒墙上\n",
      "80 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "79 bottles 在啤酒墙上\n",
      "------\n",
      "79 bottles 在啤酒墙上\n",
      "79 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "78 bottles 在啤酒墙上\n",
      "------\n",
      "78 bottles 在啤酒墙上\n",
      "78 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "77 bottles 在啤酒墙上\n",
      "------\n",
      "77 bottles 在啤酒墙上\n",
      "77 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "76 bottles 在啤酒墙上\n",
      "------\n",
      "76 bottles 在啤酒墙上\n",
      "76 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "75 bottles 在啤酒墙上\n",
      "------\n",
      "75 bottles 在啤酒墙上\n",
      "75 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "74 bottles 在啤酒墙上\n",
      "------\n",
      "74 bottles 在啤酒墙上\n",
      "74 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "73 bottles 在啤酒墙上\n",
      "------\n",
      "73 bottles 在啤酒墙上\n",
      "73 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "72 bottles 在啤酒墙上\n",
      "------\n",
      "72 bottles 在啤酒墙上\n",
      "72 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "71 bottles 在啤酒墙上\n",
      "------\n",
      "71 bottles 在啤酒墙上\n",
      "71 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "70 bottles 在啤酒墙上\n",
      "------\n",
      "70 bottles 在啤酒墙上\n",
      "70 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "69 bottles 在啤酒墙上\n",
      "------\n",
      "69 bottles 在啤酒墙上\n",
      "69 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "68 bottles 在啤酒墙上\n",
      "------\n",
      "68 bottles 在啤酒墙上\n",
      "68 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "67 bottles 在啤酒墙上\n",
      "------\n",
      "67 bottles 在啤酒墙上\n",
      "67 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "66 bottles 在啤酒墙上\n",
      "------\n",
      "66 bottles 在啤酒墙上\n",
      "66 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "65 bottles 在啤酒墙上\n",
      "------\n",
      "65 bottles 在啤酒墙上\n",
      "65 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "64 bottles 在啤酒墙上\n",
      "------\n",
      "64 bottles 在啤酒墙上\n",
      "64 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "63 bottles 在啤酒墙上\n",
      "------\n",
      "63 bottles 在啤酒墙上\n",
      "63 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "62 bottles 在啤酒墙上\n",
      "------\n",
      "62 bottles 在啤酒墙上\n",
      "62 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "61 bottles 在啤酒墙上\n",
      "------\n",
      "61 bottles 在啤酒墙上\n",
      "61 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "60 bottles 在啤酒墙上\n",
      "------\n",
      "60 bottles 在啤酒墙上\n",
      "60 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "59 bottles 在啤酒墙上\n",
      "------\n",
      "59 bottles 在啤酒墙上\n",
      "59 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "58 bottles 在啤酒墙上\n",
      "------\n",
      "58 bottles 在啤酒墙上\n",
      "58 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "57 bottles 在啤酒墙上\n",
      "------\n",
      "57 bottles 在啤酒墙上\n",
      "57 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "56 bottles 在啤酒墙上\n",
      "------\n",
      "56 bottles 在啤酒墙上\n",
      "56 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "55 bottles 在啤酒墙上\n",
      "------\n",
      "55 bottles 在啤酒墙上\n",
      "55 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "54 bottles 在啤酒墙上\n",
      "------\n",
      "54 bottles 在啤酒墙上\n",
      "54 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "53 bottles 在啤酒墙上\n",
      "------\n",
      "53 bottles 在啤酒墙上\n",
      "53 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "52 bottles 在啤酒墙上\n",
      "------\n",
      "52 bottles 在啤酒墙上\n",
      "52 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "51 bottles 在啤酒墙上\n",
      "------\n",
      "51 bottles 在啤酒墙上\n",
      "51 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "50 bottles 在啤酒墙上\n",
      "------\n",
      "50 bottles 在啤酒墙上\n",
      "50 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "49 bottles 在啤酒墙上\n",
      "------\n",
      "49 bottles 在啤酒墙上\n",
      "49 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "48 bottles 在啤酒墙上\n",
      "------\n",
      "48 bottles 在啤酒墙上\n",
      "48 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "47 bottles 在啤酒墙上\n",
      "------\n",
      "47 bottles 在啤酒墙上\n",
      "47 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "46 bottles 在啤酒墙上\n",
      "------\n",
      "46 bottles 在啤酒墙上\n",
      "46 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "45 bottles 在啤酒墙上\n",
      "------\n",
      "45 bottles 在啤酒墙上\n",
      "45 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "44 bottles 在啤酒墙上\n",
      "------\n",
      "44 bottles 在啤酒墙上\n",
      "44 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "43 bottles 在啤酒墙上\n",
      "------\n",
      "43 bottles 在啤酒墙上\n",
      "43 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "42 bottles 在啤酒墙上\n",
      "------\n",
      "42 bottles 在啤酒墙上\n",
      "42 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "41 bottles 在啤酒墙上\n",
      "------\n",
      "41 bottles 在啤酒墙上\n",
      "41 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "40 bottles 在啤酒墙上\n",
      "------\n",
      "40 bottles 在啤酒墙上\n",
      "40 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "39 bottles 在啤酒墙上\n",
      "------\n",
      "39 bottles 在啤酒墙上\n",
      "39 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "38 bottles 在啤酒墙上\n",
      "------\n",
      "38 bottles 在啤酒墙上\n",
      "38 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "37 bottles 在啤酒墙上\n",
      "------\n",
      "37 bottles 在啤酒墙上\n",
      "37 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "36 bottles 在啤酒墙上\n",
      "------\n",
      "36 bottles 在啤酒墙上\n",
      "36 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "35 bottles 在啤酒墙上\n",
      "------\n",
      "35 bottles 在啤酒墙上\n",
      "35 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "34 bottles 在啤酒墙上\n",
      "------\n",
      "34 bottles 在啤酒墙上\n",
      "34 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "33 bottles 在啤酒墙上\n",
      "------\n",
      "33 bottles 在啤酒墙上\n",
      "33 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "32 bottles 在啤酒墙上\n",
      "------\n",
      "32 bottles 在啤酒墙上\n",
      "32 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "31 bottles 在啤酒墙上\n",
      "------\n",
      "31 bottles 在啤酒墙上\n",
      "31 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "30 bottles 在啤酒墙上\n",
      "------\n",
      "30 bottles 在啤酒墙上\n",
      "30 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "29 bottles 在啤酒墙上\n",
      "------\n",
      "29 bottles 在啤酒墙上\n",
      "29 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "28 bottles 在啤酒墙上\n",
      "------\n",
      "28 bottles 在啤酒墙上\n",
      "28 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "27 bottles 在啤酒墙上\n",
      "------\n",
      "27 bottles 在啤酒墙上\n",
      "27 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "26 bottles 在啤酒墙上\n",
      "------\n",
      "26 bottles 在啤酒墙上\n",
      "26 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "25 bottles 在啤酒墙上\n",
      "------\n",
      "25 bottles 在啤酒墙上\n",
      "25 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "24 bottles 在啤酒墙上\n",
      "------\n",
      "24 bottles 在啤酒墙上\n",
      "24 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "23 bottles 在啤酒墙上\n",
      "------\n",
      "23 bottles 在啤酒墙上\n",
      "23 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "22 bottles 在啤酒墙上\n",
      "------\n",
      "22 bottles 在啤酒墙上\n",
      "22 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "21 bottles 在啤酒墙上\n",
      "------\n",
      "21 bottles 在啤酒墙上\n",
      "21 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "20 bottles 在啤酒墙上\n",
      "------\n",
      "20 bottles 在啤酒墙上\n",
      "20 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "19 bottles 在啤酒墙上\n",
      "------\n",
      "19 bottles 在啤酒墙上\n",
      "19 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "18 bottles 在啤酒墙上\n",
      "------\n",
      "18 bottles 在啤酒墙上\n",
      "18 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "17 bottles 在啤酒墙上\n",
      "------\n",
      "17 bottles 在啤酒墙上\n",
      "17 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "16 bottles 在啤酒墙上\n",
      "------\n",
      "16 bottles 在啤酒墙上\n",
      "16 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "15 bottles 在啤酒墙上\n",
      "------\n",
      "15 bottles 在啤酒墙上\n",
      "15 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "14 bottles 在啤酒墙上\n",
      "------\n",
      "14 bottles 在啤酒墙上\n",
      "14 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "13 bottles 在啤酒墙上\n",
      "------\n",
      "13 bottles 在啤酒墙上\n",
      "13 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "12 bottles 在啤酒墙上\n",
      "------\n",
      "12 bottles 在啤酒墙上\n",
      "12 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "11 bottles 在啤酒墙上\n",
      "------\n",
      "11 bottles 在啤酒墙上\n",
      "11 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "10 bottles 在啤酒墙上\n",
      "------\n",
      "10 bottles 在啤酒墙上\n",
      "10 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "9 bottles 在啤酒墙上\n",
      "------\n",
      "9 bottles 在啤酒墙上\n",
      "9 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "8 bottles 在啤酒墙上\n",
      "------\n",
      "8 bottles 在啤酒墙上\n",
      "8 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "7 bottles 在啤酒墙上\n",
      "------\n",
      "7 bottles 在啤酒墙上\n",
      "7 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "6 bottles 在啤酒墙上\n",
      "------\n",
      "6 bottles 在啤酒墙上\n",
      "6 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "5 bottles 在啤酒墙上\n",
      "------\n",
      "5 bottles 在啤酒墙上\n",
      "5 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "4 bottles 在啤酒墙上\n",
      "------\n",
      "4 bottles 在啤酒墙上\n",
      "4 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "3 bottles 在啤酒墙上\n",
      "------\n",
      "3 bottles 在啤酒墙上\n",
      "3 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "2 bottles 在啤酒墙上\n",
      "------\n",
      "2 bottles 在啤酒墙上\n",
      "2 bottles 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "1 bottle 在啤酒墙上\n",
      "------\n",
      "1 bottle 在啤酒墙上\n",
      "1 bottle 啤酒\n",
      "拿下一瓶给我吧\n",
      "啤酒被拿走了一瓶\n",
      "只剩一瓶了，不能给你了，要放在墙上展示\n",
      "------\n"
     ]
    }
   ],
   "source": [
    "beer_name = \"bottles\"\n",
    "\n",
    "for beer_num in range(99,0,-1):\n",
    "    print(beer_num,beer_name,\"在啤酒墙上\")\n",
    "    print(beer_num,beer_name,\"啤酒\")\n",
    "    print(\"拿下一瓶给我吧\")\n",
    "    print(\"啤酒被拿走了一瓶\")\n",
    "    # 情况一：只剩一瓶的情况\n",
    "    if beer_num == 1:\n",
    "        print(\"只剩一瓶了，不能给你了，要放在墙上展示\")\n",
    "    # 情况二：还有多于1瓶的情况\n",
    "    else:\n",
    "        new_num = beer_num - 1\n",
    "        if new_num == 1:\n",
    "            beer_name = \"bottle\"\n",
    "        print(new_num,beer_name,\"在啤酒墙上\")\n",
    "    print(\"------\")\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "df61328c",
   "metadata": {},
   "source": [
    "## 3.有序的数据结构()\n",
    "\n",
    "> 1.数值\n",
    ">>1.[数值的运算](https://docs.python.org/3.8/tutorial/introduction.html#numbers)\n",
    "\n",
    "> 2.字符串\n",
    "\n",
    "> 3.列表，元组，字典，集合（期中考核） 课本2、3、4章 P144前"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9df8f75a",
   "metadata": {},
   "source": [
    "## 3.数值"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "61ccedae",
   "metadata": {},
   "source": [
    "### 3.1 数值的基本运算 (Operation)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "id": "f9b9009d",
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "id": "819af89a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Operation</th>\n",
       "      <th>Result</th>\n",
       "      <th>Notes</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>x or y</td>\n",
       "      <td>if x is false, then y, else x</td>\n",
       "      <td>(1)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>x and y</td>\n",
       "      <td>if x is false, then x, else y</td>\n",
       "      <td>(2)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>not x</td>\n",
       "      <td>if x is false, then True, else False</td>\n",
       "      <td>(3)</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "  Operation                                Result Notes\n",
       "0    x or y         if x is false, then y, else x   (1)\n",
       "1   x and y         if x is false, then x, else y   (2)\n",
       "2     not x  if x is false, then True, else False   (3)"
      ]
     },
     "execution_count": 47,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd.read_html(\"https://docs.python.org/3.8/library/stdtypes.html#numeric-types-int-float-complex\")[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "id": "54f267e5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4"
      ]
     },
     "execution_count": 29,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "2+2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "848d6145",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4.0"
      ]
     },
     "execution_count": 30,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "8/2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "id": "416612ea",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4.25"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "17/4"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "id": "40784e73",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "17//4 # 取整数"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "id": "e98dda89",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "17%5 # 取余数"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "id": "cc5134ea",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "25"
      ]
     },
     "execution_count": 34,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "5**2 # 5的平方"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "id": "d7ece205",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2.23606797749979"
      ]
     },
     "execution_count": 35,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "5**(1/2)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f4a0136b",
   "metadata": {},
   "source": [
    "### 3.2 数值的一般方法（Methods） "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "id": "3e97d2a6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "b'\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x04\\x00'"
      ]
     },
     "execution_count": 40,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "(1024).to_bytes(10, byteorder='big') ##bytes 类型的数据"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "id": "9f4d1ced",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 42,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "(5.5).is_integer()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "id": "79cb2a67",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 43,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "2.0.is_integer()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b9b4a90c",
   "metadata": {},
   "source": [
    "## 4.字符串\n",
    "\n",
    "* 课后：\n",
    "\n",
    "> 1.什么是字符串？\n",
    "\n",
    "> 2.字符串的一般表示形式？\n",
    "\n",
    "> 3.字符串的运算有哪些？ 譬如：+ 是什么意思，取值，切片，索引的概念是什么？\n",
    "\n",
    "> 4.字符串的一般方法？ 譬如：count(),in\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "84c8b84e",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
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